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Carbon Nitrogen and their Compounds

13. 

The most abundantly found gas is atmosphere is

A. nitrogen B. hydrogen C. oxygen D. carbon dioxide

Answer : A. nitrogen

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14. 

which methoed is used in Detection of Nitrogen with SFE

A. Carius method B. Lassaigne's method C. Kjeldahl's method D. Lucas test

Answer : B. Lassaigne's method

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15. 

Human bone does not contain

A. Oxygen B. phosphorus C. carbon D. calcium

Answer : A. Oxygen

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16. 

Natural petroleum is a liquid mixture of paraffin hydrocarbons

A. C4 to C12 B. C1 to C20 C. C1 to C40 D. C5 to C15

Answer : D. C5 to C15

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17. 

The carbon black is obtained from

A. Ethane B. Methanol C. Ethyl Alcohol D. Methane

Answer : D. Methane

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18. 

Trimethyl benzene is called

A. Pyrogallol B. Catechol C. Mesityloxide D. Mesitylene

Answer : D. Mesitylene

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